Duke and duchess of Zhou had nightmares at night and wet their beds.

Duke Zhou has no scientific basis, and nightmares have nothing to do with mental stress. The statement that mental stress can cause dreams violates the psychological principle that people's psychological activities are the reflection of objective things in the human brain, which is definitely wrong. Nightmares are caused by palpitations or palpitations, and these two kinds of palpitations will correspondingly cause two kinds of nightmares: being chased and flying people falling (hallucinations caused by palpitations with a heavy heart). In short, all dreams are hallucinations caused by the stimulation of objective things, that is to say, the psychological activities of dreams, like all psychological activities, are reflections of objective things in the human brain. For example, the dream of looking for a toilet is caused by the stimulation of objective things such as urgency of urination, and the dream of feeling cold is caused by the stimulation of objective things such as cold quilt on a cold night, and so on. Of course, this woman was scared to wet the bed by nightmares, which is the reason for her poor psychological quality. Palpitation is a symptom of cardiovascular disease, which often occurs in healthy people. People with slightly poor heart function are more likely to be flustered, and women are also prone to nightmares of being chased during sleep.